Sciweavers

4000 search results - page 379 / 800
» Simulation down under
Sort
View
WCNC
2008
IEEE
16 years 1 months ago
Improving STBC Performance in IEEE 802.11n Using Group-Orthogonal Frequency Diversity
—This paper proposes the use of group-orthogonal frequency diversity combined with space-time block coding (STBC) to improve the performance of IEEE 802.11n wireless networks (WL...
Felip Riera-Palou, Guillem Femenias
BROADNETS
2007
IEEE
16 years 1 months ago
Improving VoIP call capacity over IEEE 802.11 networks
— The expected VoIP call capacity in a one hop IEEE 802.11b network with G.711 voice codec is about 85 simultaneous calls, but the actual observed capacity is only 5 calls even a...
Yeonsik Jeong, Sandeep Kakumanu, Cheng-Lin Tsao, R...
CIRA
2007
IEEE
162views Robotics» more  CIRA 2007»
16 years 1 months ago
Design and Development of a Biped Robot
—Many researchers have been encouraged to investigate the design, posture and stability of biped robots in order to replicate the anthropoid gait. This paper addresses the design...
Vishnu V. Madadi, Sabri Tosunoglu
COMSWARE
2007
IEEE
16 years 1 months ago
A Relative Ad hoc Localization Scheme using Optical Wireless
Abstract— Scalable network localization is key for realizing ad-hoc networks. In this paper we propose a localization scheme where nodes form a relative coordinate system of the ...
Jayasri Akella, Murat Yuksel, Shivkumar Kalyanaram...
CRV
2007
IEEE
139views Robotics» more  CRV 2007»
16 years 1 months ago
A Simple Operator for Very Precise Estimation of Ellipses
This paper presents a simple linear operator that accurately estimates the position and parameters of ellipse features. Based on the dual conic model, the operator avoids the inte...
Jean-Nicolas Ouellet, Patrick Hébert